This series of couplers are the most common quick connect couplers used in the agriculture, construction and logging industries. They are interchangeable with all 1/2 body ISO 5675 series / Pioneer style couplers including ball seat valve, poppet seal, and 1/2 Body ISO 7241-A couplers. Body Size: 1/2 Body, Thread Size: 1/2 NPT, Poppet Valve. This 1/2 female coupler connects to its male equivalent . We also carry a complete set , including a single male and single female coupler. Features: Nominal Flow Rate: 12 GPM. Max Flow Rate: 24 GPM. 3600 PSI Rating. Hardened Steel Plugs. 23,000 PSI Burst Rating (Coupled). What's Included: Female Coupler.